Husqvarna HUSKYLOCK 900 User manual

I

TABLE
OF CONTENTS
NAMES
O PARTS
AND
THEIR
FUNCTIONS
1-2
NOTE
Turning
direction
of
motor
ELECTRONIC
FUNCTIONS
(900)
3
ACCEEICRIES
-5
NEEDLE
3
NOTE
Changing
needles
MOTOR
6
SETTINC
P
YOUR
MACHINE
NOTE
How to use
the thread
spool
cap
and the
net.
THREADING
8-li
Eefcre
threaclng...
NOTE
Threading
order
Threading
Joper
looper
LoTE
If
upper looper
thread
breaks
during
sewing
Threaang
ower looper
NOTE
if
lower
looper
thread
breaks
during
sewng
ThreadIng
needles
SEWINC
12
To
s:an
sewing
Doeraton
To
remove
the
work
Cmamna-orf
it :nreads
oreak
during sewing
STITCH
SELECTION
13-14
(NOTE
Optional
stitches
RATIO
CHART
OF SEWING
MATERIAL,
THREAD
AND
NEEDLE
15
THREAD
TENSION
16
Thread
tension
control
levers
NOTE
Order
of
thread
tension
adjustment
CHART OF
THREAD
TENSION ADJUSTMENT
17-18
STITCH
LENGTH
AND
STITCH
WIDTH
19
Stitch length
Erch
width
ETTCH WIDTH AND CUTTING
WIDTH
FINE
ADJUSTMENT
20
DIFFERENTIAL
FEED
21
PRESSER
FOOT
PRESSURE 22
RCLLED
EDGE
22
PERFORMANCE
PROBLEMS
FAULTFlNDING
23
CHANGING
THE
LIGHT
BULB
24
RETRACTING
THE
BLADE
24
MAINTENANCE
25
MACHINE
SPECF(CATION
26

—
SNOLLDNIH
3H1
aNy
SUIVd
10 S3WVN

Pressure
aojustment
dial
d;
Pilot
amp
1900)
‘9J
Presser
foot
monitor
(900)
Lignt
twitch
i
Presser
foot
Needle
plate
Matenal
plate cover
Blade
erac:ing
:nob
9)
Matenal
plate
cover
set
screw
51cc cover
Thread
tension
lever
for
ert
needle
hread
)ye(low>
IT
Thrc3d
tension ever
or
right
needle
r’.rcac
(red
thread
(green>
)
Thread
tension
(ever
for
lower
looper
thread
(blue>
®
Presser
foot lever
Speed
selector
(900)
©
Front
cover
Stitch
width
control
dial
©
Stitch
length
control
lever
Differential feed
control
lever
(jt
Control cover
Upper
looper
Lower
looper
Movable
stitch
finger
®
Thread
holder
@
Thread
guide pole
Handle
Reel
oin
Reel
support
Handwheei
Main
power
switch
Controller
jack
(91)0)
Power
cord
socket
CAUTION!
WHEN
THREADING,
REPLACING
NEEDLE
OR LIGHT
BULB.
BE
SURE
TO
TURN OFF
THE MAIN
POWER
SWITCH
OF
THE
MACHINE.
WHEN
THE
MACHINE
IS
NOT
IN
USE, IT
IS
RECOMMENDED
THAT
THE
ELECTRIC
SUPPLY
PLUG
IS
DISCONNECTED
FROM
THE
WALL
SOCKET
TO
AVOID
ANY
POSSiBLE HAZARDS.
©
Thread tension
lever for
upper
looper
Upper
looper threading
mechanism
—2--

ELECTRONIC
FUNCTIONS
(900)
Pot
Presser
foot
Speed
seecor
High
Low
Your
Huskviock
model
900
has
following
electronic
functions:
1)
Electronic
speed control
in
machine
body
a.
Two
speed
selection
by
speed selector
(1500/700
spm)
b.
Excellent
needle
penetration
also
at
low
speed
c.
Steady
speed control
2)
LED
monitor
a.
Pilot
lamp
Main
power
Alarm
for
overload
protection
When
the
machine
is
locked,
the
pilot
lamp
flashes
with
sound.
At
the same
time, the
machine
stops automatically
to
avoid
overload.
b.
Presser
foot
monitor
Flashes
when presser
foot.
is
in
upper
position.
In
this
case,
machine
does not
run
even
if
you
depress
foot
control.
—3—

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I

NEEDLE
Home
use
needle
(SCHMETZ
130/705H)
should
be used.
To
remove
the
needle
1)
Turn
the main
power
switch to
off.
2)
Turn
the handwheel
counterclockwise
by
hand
until
the
needle
is
in
its
highest
position.
3)
Loosen
the
needle
set screw
with
allen
wrench
and
remove the
needle.
To
insert
the
needle
1)
Turn
the
main
power
switch to
off.
2)
Turn
the handwheei
until
the
needle
bar
is
in
its highest
position.
3)
Hold
the
needle
with
its
flat
side away
from
you and
insert
it
as
far
as
it
goes.
4)
Tighten
the needle
set screw
securely.
NOTE
*We
suggest
you hold
the
two
needles
with
one
hand
and
then
insert
them
at
the
same
time.
*When
the needles
are
inserted correctly,
the
right
needle
should
be
set
slightly
lower
than
the
left
one.
IMPORTANT!
The
needle
set
screw
holds
both
needles.
Bear
this
in
mind
when
you
loosen
the
set
screw
to
exchange
one
or
both
needles.
Back
Place
a
needle
on
its
flatside
and
it
check
the space
is
parallel
or not,
Flat
side
V
Needle-plate,
glass. etc.
—5—

nx;rum
‘Do
ratin’
sceen
or this sewing machine is
1.300 stitches øer
minute, which
is
quite
fast
comoared
Oe
oeratinC
sneec or
cOO
to 300 stitches per minute
tor
the ordinary
home
sewing machine.
It
shouia
be
-e’’,
‘e
motor or
mis
se’ing
macnine
turns
in
the same direction
as the motor
in
an
orcinary
home
sewing
.racnine.
oearrns
n the motor
are made
or
soecal. sintere
oil-impregnated
alloy mountea in
oil-soaked
telt to
‘ttOsranc
‘ann
nourc
at cantifluous Ooeration.
A
nan
‘he
macnine
s cot
in
use,
or wnen threading,
reolacing
needle
or light bulb,
the machine
must be
:‘cznnac:ac
ram
‘cc
cu’,ver sucoit
b
removing the
oug
trom the
wall socket.
Use
bulbs
aesigned tar
max
,v
PoqTA 1 ’Tt
POLARIZED
PLUG
acutnce’i
,vith
potarizea ahernating current
me olug a dug
ca\Ine one
00cc wiaer than
the
other’
P
ia’ ‘ne oowe
outie
only
one
way.
This s a satetv
ieature.
It
you are unaoie
to insert
me
plug
uik
‘i
u’ea
“. a’ aair’t
ne oiug. P the olug should
still
aiI
to
tit, contact
an eectrictan
to
.‘eoiace
the
oosolete
oat
not
eDt ‘e
sorar’,
Duroose
ot the
oolanzed
plug.
—6--

SETTING
UP
YOUR MACHINE
Connect
the
machine
to
the
Pfli.er
‘utJDi\
When
you
use
a
standard
spool,
use
the
thread
spool
cap
as
iHustrated.
if
you
are
sewing
with
loosely
soun
nylon
thread,
we
recommend
that
you
cover
the spool
with
the
net
supplied
to
prevent
the
thread
from
slipping
off
the
spool.
Adapt
the net
to
the
shape
of
the
spool,
as
per
illustration.
Raise
the
thread guide
oole
and
set
it
be
rhe
positioning
stopper
at
the
joint
o
the
upper
and lower
sections.
\.iake
sure
that
the
thread holders
are
right
above
the
reel
support.
_
ti
Place
thread
reels
on
reel
support
.iain
power
iicr1
NOTE
How
to use
thread
spool
cap
and net
Thread
spool
cap
Net
—7—

HREADNG
;
I
\,
If
,
..;
Thraa
tefS,Of’
OI5CS
:-
C,jrrec’
cosition
or ‘hrea
incorrect position
Before
threading...
11
Turn
off
the main
power
switch
tor
safety.
21
Raise
the
presser
loot
by
means
of
the
presser
foot
ever.
When
the
Dresser
toot
is
raised.
the
two
thread
tension
discs
in
the
thread tension
control
panei
are
reieasea
so
that
thread
runs
clearly
between
them.
Otherwise
corect
thread
tension cannot
be
ootarned.
1)
Upper
looper
thread
(green,
2)
Lower
looper
thread
(blue,
3)
Rignt
needle
thread
(red)
4)
Lert
needle thread
yeilowi
3) Set
the
needle
bar
in
its
highest position
by
turning
the
handwheel
toward
you.
In
this
position,
you
can
thread
all
parts.
i.e.
lower
looper,
upper
looper,
right
and
left
neeale,
easily.
‘OTE
Threading
order
Thread
in
the
following
order:
—8—

Threading
upper
looper
Run
the
thread
in
the
sequence
illustrated.
If
upper
looper
thread
breaks
during
sew
ing
Lower
looper
thread
sometime
hangs
on
upper
looper.
In
such
a
case,
lower the
upper
looper
by turning
the
handwheel
and take
the lower
looper thread
off
from
upper
looper.
Then
re-thread
the
upper
looper.
—9—

j000er
tJfl
the
threac
in
the
sequence
illustrated.
NOTE
f
lower
looper thread
breaks during
sewing
Before
re-threading the
lower
looper,
cut
and
remove
both
needle
threads.
Then
re-thread
the
ower
loaDer.
MaKe
sure
that
re-threading
is
done
n
the
above
order
as
other,vise the
machine
does
not
work
correctly when
you start it again.
Don
t thread
the
underloop
er
thread
under
the
under-
looper
thread
guide
wire
Lower
looper
hreadirrg
ever
osv
threading
mecnanism
ower
oooer
threading
lever.
Thread
toe
lower
:ooper
and
position
the
thread
on
hook
01
the
lower
looper threading
ever.
:.
Pusn
the
lower looper threading
lever
back
to its
basic
0051000
whiie
:ciding
the
end
of
the
thread.
IMPORTANT!
When
pushing
the
lower
looper
threading
lever,
always
make
sure
that
the
two
red
triangle
marks
meet each
other
as
per illustration.
—10—

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EWh’G
—-
-.-‘
-
To
start
sewing
‘Thread
the
machine
and pull
the
threaas
about 15
cm
(6
inches: awa
from you
behind the
presser foot.
‘Place
a
spare
piece
of
the
fabric
you
intend
to
use
under
the presser
root
anc
sew
a
rew
stitches
by
turning the
nandwheei
towards
you
cv
hand.
‘Check
toe
stitco
tormation
produced
to
see
r
t
5
unitorm.
it
not.
re-coeck
that
the
threading
nas
been
carried
Out
correctly.
Operation
‘Turn
on
the
main
cower switch
and
amp switcO.
‘When
the
pedai is lightly
depressed
the machine
runs
at
low
speed
and
as
it is
deoressed
further
the
machine
will
increase
soeed.
With
the
scare
piece
of
fabric
under
the
presser foot,
lower
the
cresser
foot
and
test-flew
at
ow
speed.
The
machine
noes
not
run
if
the
Dresser
COt
s
in
ts
ucoer position
e\efi
‘t
you
aecress
the
foot
controller.
The
monitor
flashes
with
sound
telling
you
that
the presser
root
should
be
lowered.
To
remove
the
work
‘After
you
reach
the
end
of
the
fabric
continue
sewing
for
about
5 cm
(2
inchest
to chain off,
Then
trim
off
the
stitches
with
a
pair
of
scissors.
Chaining-off
‘After
sewing, hold
the
foot
control depressed
slightly for
a
while
(chaining-off). The
threads will
entwine
themselves
into
a
chain
and
be
fed
forward
automatically.
If
feeding
for
chaining-off
is
not
enough,
pull
the
threac
gently.
If
threads
break
during
sewing
‘Remove
the fabric
and
re-thread
correctly
‘refer
to
page
8-1
1,
“Threading”(.
Put
the
fabric
back
under
the presser
foot
and
sew
3-5
cm
over
the
previous
stitches.
—
12—

STITCH
SELECTION
Four-thread overiock
stitch
(5.
6.
7
mmi
Use
all
tour
threads ana
two
needles
(or
producing
rour-thread
over(oc:.
stitches,
(or
all
kinds or
materials.
2.
Three-thread
overlock
stitch
(5,
6,
7
mm
using
left
needle
Use
three
threads
and
lert
needle,
producing
5.
6.
or
mm
seams,
all
kinds
o(
materials.
Remove
right
needle
when
sewing this
overock
sztc.
3.
Three-thread
overiock
stitch
(3,
4
mrni
using
right
needle
Use
three
threads
and
right
needle, producing
3
and
4
mm
seams.
Remove
leit
need’e
when sewing this
overlock
stitch.
[
[
I
-
—
13
—

Narrow/Rofled edge sutcres
foot nciuded)
BUnd
sntch
Opnona stcde
Opnonai 5peCIa
presser
reet
are
hetorui
ror
some stitcnes.
I
I
1.
-
‘1
Ovedock
sntch with
elastic
tape
— 14—

JTO
CHART
OF
SEWING
MATERIAL
THREAD AND
NEEDLE
\4ateriajs
Stitch
Thread
Stitch
lengtn
mm
Neecle
Georgette
Overlock
NEEDLE
THREAD
2.0-3.0
SCHNtE7
Oaiitiu
Crene
ne
come
Overiock
thread
130703
H40
Lawn
LOOPER
THREAD
Organdy
Osehoc5
thread
Textured
thread
Optional)
NEEDLE
THREAD
Less
than
2.3
SCHMETG
Overocs
threao
130P05
HC’O
Narrow
LOOPER
THREiD
Rohed
hem
Overlock
thread
Textured
thread
I
temum
PopEn
Ovehock
NEEDLE
THREAD 2.5—3.3
SCHMET
mareria)
Gingoam
j
Overiock
thread
1301705
H#80
Gabardine
LOOPER
THREAD
Knitted
Overiock
thread
Tricot
Textured
thread
Hecv
Casnmere
Overlock
NEEDLE
THREAD
3.0—40
SCHMETZ
mteria)
Tweed
Sewing
thread
130005
H90
Denim
Overlock
thread
ersev
LOOPER
THREAD
Overtock
thread
-4
1PORTANT!
When
you
carry
the
machine
with
threads
threaded,
please
push
the
spool
down
at
the
lowest
position
and
wind
threads
on
each spool.
—15—

,
“D,Ofl
C
)riiroi
Cor
right needle thread
(red)
H
For
upoer
loooer
threac
-——1
For
Lower boner
thread
V
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C
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ee
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ngrnt
De”dIe
anrnace
‘hrea
reD)
Tension control
Sewing
is possible
at
position
“5’ uncer almost
any
circumstances.
If
you
find it ‘moossibie,
aajust according
to the
drawing.
*The
thread tension of this
machine
can be adjusted by
the thread
tension adjustment
levers for the two needle
thread(si, the
upper looper thread
and the lower looper
thread.
The correct thread
tension varies with
the kind
of fabric, the thickness
of the
thread, etc. Adjust
the
thread
tension as required in
each particular
case. Move slide
lever upwards
to increase
tension and downwards
to
decrease
it.
Whenever
you
change
fabric,
thread or stitch
width,
be
sure
to
adjust
the
thread tension.
See following
pages
“Chart
of
Thread Tension Adjustment.”
Order
of thread tension
adjustment.
8
1
)7
ninum4
C.ainrnn3i -‘
0
When you adjust the thread
tension,
do it in
the
following
order:
1)
Left
needle thread
2)
Right needle thread
3)
Upper Looper
thread
4)
Lower looper
thread
This
is the easiest way
to obtain
correct thread tension.
or
ert
needle thread
(yellow
— 16 —

CHART OF
THREAD
TENSiON
ADJUSTMENT
—17—

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